Compare: 大 vs 大

おお

large; big; great; major; important; serious; heavy; loud

だい

large; big; great; huge; vast; major; important; serious; severe

おお
N5CommonPrefix

large; big; great; major; important; serious; heavy; loud

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Examples

(かれ)(おお)ボラふきだ。

He has a big mouth.

(おお)口叩きは何もできない。

Great talkers are little doers.

だい
N5CommonPrefix

large; big; great; huge; vast; major; important; serious; severe

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Examples

その瞬間、(だい)音響とともに爆発した。

At that instant it exploded with a great noise.

(しばたたく)くうちにテニスボール(だい)の団子が消え去った。

In the blink of an eye, the tennis-ball-sized dumpling had disappeared.